/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package control;

import database.database;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Erdiansyah
 */
public class FriendHandler extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        HttpSession session = request.getSession();
        try {
            /* TODO output your page here*/
            database fr = new database();
            ResultSet rsf, rsftemp;
            fr.createConnection();
            fr.select("SELECT userfriend, statuslogin FROM frienddb JOIN userdb ON frienddb.userfriend = userdb.username AND frienddb.user = '" + session.getAttribute("loginuser") + "'");
            if (request.getParameter("value").toString().equalsIgnoreCase("1")) {
                //fr.select("select userfriend from frienddb where user='" + session.getAttribute("loginuser") + "'");
                rsf = fr.getResultSet();
                while (rsf.next()) {
                    String friend = rsf.getString("userfriend");
                    if (rsf.getInt("statuslogin") == 1) {
                        out.print("<div>"
                                + "<a href=\"javascript:void()\" onclick=\"chatwith('"
                                + session.getAttribute("loginuser") + "','"
                                + friend
                                + "')\"><b>");
                        out.print(friend);
                        out.print("</b></a></div>");
                    } else {
                        out.print("<div>"
                                + "<a href=\"javascript:void()\" onclick=\"chatwith('"
                                + session.getAttribute("loginuser") + "','"
                                + friend
                                + "')\">");
                        out.print(friend);
                        out.print("</a></div>");
                    }
                }
            } else {
                rsf = fr.getResultSet();
                while (rsf.next()) {
                    String friend = rsf.getString("userfriend");
                    if (rsf.getInt("statuslogin") == 1) {
                        out.print("<div>"
                                + "<a href=\"javascript:void()\" onclick=\"chatwith('"
                                + session.getAttribute("loginuser") + "','"
                                + friend
                                + "')\"><b>");
                        out.print(friend);
                        out.print("</b></a></div>");
                    }
                }

            }
            fr.closeConnection();


        } catch (ClassNotFoundException ex) {
            Logger.getLogger(FriendHandler.class.getName()).log(Level.SEVERE, null, ex);
        } catch (SQLException ex) {
            Logger.getLogger(FriendHandler.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
